1854219501132 has 12 divisors (see below), whose sum is σ = 4326512169336. Its totient is φ = 618073167040.

The previous prime is 1854219501031. The next prime is 1854219501143. The reversal of 1854219501132 is 2311059124581.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77259145869 + ... + 77259145892.

It is an arithmetic number, because the mean of its divisors is an integer number (360542680778).

Almost surely, 2^{1854219501132} is an apocalyptic number.

1854219501132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1854219501132 is an abundant number, since it is smaller than the sum of its proper divisors (2472292668204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1854219501132 is a wasteful number, since it uses less digits than its factorization.

1854219501132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154518291768 (or 154518291766 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 1854219501132 in words is "one trillion, eight hundred fifty-four billion, two hundred nineteen million, five hundred one thousand, one hundred thirty-two".